US3096201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insolubilisation of further-polymerisable methylol-phosphorus polymeric materials
Assignee: Solvay Solutions UK Ltd
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Filing: 1960-10-14
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Granted: 1963-07-02
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Expires: 1980-10-14
Abstract
No abstract record available.
Inventors
- 👤 Coates Harold
- 👤 Chalkley Brian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:15
CPC Classifications
D; D21; D21H; D21H21/00; D21H21/14; D21H21/34; B; B27; B27K; B27K3/00; B27K3/02; B27K3/0278; B27K3/52; C; C08; C08G; C08G79/00; C08G79/02; C08G79/06; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/41; D06M15/415; D06M15/423; D06M15/43; D06M15/431; D06M15/667; D06M15/673; D21H25/00; D21H25/02; D21H5/00; D21H5/0002; B27K2200/00; B27K2200/10; B27K3/15; B27K3/16; B27K3/20; B27K5/00; B27K5/04; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T442/00; Y10T442/20; Y10T442/2631; Y10T442/2672; Y10T442/268
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
80 words
A PROCESS FOR MODIFYING THE PROPERTIES OF A CELLULOSIC MATERIAL WHICH COMPRISES IMPREGNATING SAID CELLULOSIC MATERIAL WITH A SOLUTION OF A FURTHER-POLYMERISABLE METHYLOL-PHOSPHORUS POLYMERIC MATERIAL CONTAINING AT LEAST ONE FREE METHYLOL GROUP ATTACHED TO A PHOSPHORUS ATOM, SAID SOLUTION CONTAINING A MEMBER SELECTED FROM THE GROUP CONSISTING OF DIAMMONIUM SULPHITE AND MIXTURES OF AN AMMONIUM SALT OF A WEEK ACID TOGETHER WITH A SULPHITE, DRYING THE RESULTING IMPREGNATED CELLULOSIC MATERIAL AND FINALLY TREATING SAID MATERIAL WITH AN AQUEOUS AMMONIA SYSTEM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |